Muse Spark 1.2vsGPT-4

Muse Spark 1.2
GPT-4
Specifications
Context window
1M
8k
Benchmarks
Agentic coding
DeepSWE 1.1
59.3%
Function synthesis
HumanEval
67%
Agentic terminal coding
Terminal-Bench 2.1
82.9%
General knowledge
MMLU
86.4%
Grade-school math
GSM8K
92%
Overview
CompanyMetaOpenAI
Release dateAug 5 2026Mar 14 2023
AccessProprietaryProprietary

Which is better: Muse Spark 1.2 or GPT-4?

Muse Spark 1.2 and GPT-4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4 shipped 1240 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Muse Spark 1.2) vs 8k (GPT-4).

Direct benchmark comparisons are unavailable — Muse Spark 1.2 and GPT-4 don't publish scores on any of the same benchmarks.

Frequently asked questions

Muse Spark 1.2 was released by Meta on Aug 5 2026.

GPT-4 was released by OpenAI on Mar 14 2023.

Muse Spark 1.2 has a 1M context window; GPT-4 has 8k.

Other comparisons